Home / 5,114.08-7,061.52-4,720.96

Finding the Fourth Proportional to 5,114.08, 7,061.52 and 4,720.96

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Solution

The fourth proportional to 5,114.08, 7,061.52 and 4,720.96 is: 6,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.08 : 7,061.52 = 4,720.96 : x
  2. Step 2: Convert to fraction form
    5,114.08/7,061.52 = 4,720.96/x
  3. Step 3: Cross multiply
    5,114.08x = 7,061.52 × 4,720.96
  4. Step 4: Simplify right side
    5,114.08x = 33,337,153.46
  5. Step 5: Solve for x
    x = 33,337,153.46/5,114.08
  6. Step 6: Final answer
    x = 6,518.70

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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.