Home / 7,437.91-11,152.36-2,929.57

Finding the Fourth Proportional to 7,437.91, 11,152.36 and 2,929.57

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Solution

The fourth proportional to 7,437.91, 11,152.36 and 2,929.57 is: 4,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.91 : 11,152.36 = 2,929.57 : x
  2. Step 2: Convert to fraction form
    7,437.91/11,152.36 = 2,929.57/x
  3. Step 3: Cross multiply
    7,437.91x = 11,152.36 × 2,929.57
  4. Step 4: Simplify right side
    7,437.91x = 32,671,586.83
  5. Step 5: Solve for x
    x = 32,671,586.83/7,437.91
  6. Step 6: Final answer
    x = 4,392.58

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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.