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Finding the Fourth Proportional to 5,343.17, 7,373.71 and 2,985.46

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Solution

The fourth proportional to 5,343.17, 7,373.71 and 2,985.46 is: 4,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.17 : 7,373.71 = 2,985.46 : x
  2. Step 2: Convert to fraction form
    5,343.17/7,373.71 = 2,985.46/x
  3. Step 3: Cross multiply
    5,343.17x = 7,373.71 × 2,985.46
  4. Step 4: Simplify right side
    5,343.17x = 22,013,916.26
  5. Step 5: Solve for x
    x = 22,013,916.26/5,343.17
  6. Step 6: Final answer
    x = 4,120.01

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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.