Home / 7,437.70-10,264.52-5,421.58

Finding the Fourth Proportional to 7,437.70, 10,264.52 and 5,421.58

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Solution

The fourth proportional to 7,437.70, 10,264.52 and 5,421.58 is: 7,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.70 : 10,264.52 = 5,421.58 : x
  2. Step 2: Convert to fraction form
    7,437.70/10,264.52 = 5,421.58/x
  3. Step 3: Cross multiply
    7,437.70x = 10,264.52 × 5,421.58
  4. Step 4: Simplify right side
    7,437.70x = 55,649,916.34
  5. Step 5: Solve for x
    x = 55,649,916.34/7,437.70
  6. Step 6: Final answer
    x = 7,482.14

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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.