Home / 5,775.36-7,970.85-4,281.18

Finding the Fourth Proportional to 5,775.36, 7,970.85 and 4,281.18

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Solution

The fourth proportional to 5,775.36, 7,970.85 and 4,281.18 is: 5,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.36 : 7,970.85 = 4,281.18 : x
  2. Step 2: Convert to fraction form
    5,775.36/7,970.85 = 4,281.18/x
  3. Step 3: Cross multiply
    5,775.36x = 7,970.85 × 4,281.18
  4. Step 4: Simplify right side
    5,775.36x = 34,124,643.60
  5. Step 5: Solve for x
    x = 34,124,643.60/5,775.36
  6. Step 6: Final answer
    x = 5,908.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.