Home / 4,740.07-7,116.18-2,985.61

Finding the Fourth Proportional to 4,740.07, 7,116.18 and 2,985.61

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Solution

The fourth proportional to 4,740.07, 7,116.18 and 2,985.61 is: 4,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.07 : 7,116.18 = 2,985.61 : x
  2. Step 2: Convert to fraction form
    4,740.07/7,116.18 = 2,985.61/x
  3. Step 3: Cross multiply
    4,740.07x = 7,116.18 × 2,985.61
  4. Step 4: Simplify right side
    4,740.07x = 21,246,138.17
  5. Step 5: Solve for x
    x = 21,246,138.17/4,740.07
  6. Step 6: Final answer
    x = 4,482.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.