Home / 5,055.16-7,582.74-1,975

Finding the Fourth Proportional to 5,055.16, 7,582.74 and 1,975

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Solution

The fourth proportional to 5,055.16, 7,582.74 and 1,975 is: 2,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.16 : 7,582.74 = 1,975 : x
  2. Step 2: Convert to fraction form
    5,055.16/7,582.74 = 1,975/x
  3. Step 3: Cross multiply
    5,055.16x = 7,582.74 × 1,975
  4. Step 4: Simplify right side
    5,055.16x = 14,975,911.50
  5. Step 5: Solve for x
    x = 14,975,911.50/5,055.16
  6. Step 6: Final answer
    x = 2,962.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.