Home / 6,153.12-8,490.54-3,500.57

Finding the Fourth Proportional to 6,153.12, 8,490.54 and 3,500.57

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Solution

The fourth proportional to 6,153.12, 8,490.54 and 3,500.57 is: 4,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.12 : 8,490.54 = 3,500.57 : x
  2. Step 2: Convert to fraction form
    6,153.12/8,490.54 = 3,500.57/x
  3. Step 3: Cross multiply
    6,153.12x = 8,490.54 × 3,500.57
  4. Step 4: Simplify right side
    6,153.12x = 29,721,712.10
  5. Step 5: Solve for x
    x = 29,721,712.10/6,153.12
  6. Step 6: Final answer
    x = 4,830.35

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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.