Home / 5,430.04-7,494.59-3,306.25

Finding the Fourth Proportional to 5,430.04, 7,494.59 and 3,306.25

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Solution

The fourth proportional to 5,430.04, 7,494.59 and 3,306.25 is: 4,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.04 : 7,494.59 = 3,306.25 : x
  2. Step 2: Convert to fraction form
    5,430.04/7,494.59 = 3,306.25/x
  3. Step 3: Cross multiply
    5,430.04x = 7,494.59 × 3,306.25
  4. Step 4: Simplify right side
    5,430.04x = 24,779,005.82
  5. Step 5: Solve for x
    x = 24,779,005.82/5,430.04
  6. Step 6: Final answer
    x = 4,563.32

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Half 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.