Home / 7,534.40-10,400.66-4,549.62

Finding the Fourth Proportional to 7,534.40, 10,400.66 and 4,549.62

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Solution

The fourth proportional to 7,534.40, 10,400.66 and 4,549.62 is: 6,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.40 : 10,400.66 = 4,549.62 : x
  2. Step 2: Convert to fraction form
    7,534.40/10,400.66 = 4,549.62/x
  3. Step 3: Cross multiply
    7,534.40x = 10,400.66 × 4,549.62
  4. Step 4: Simplify right side
    7,534.40x = 47,319,050.75
  5. Step 5: Solve for x
    x = 47,319,050.75/7,534.40
  6. Step 6: Final answer
    x = 6,280.40

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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.