Home / 7,355.48-10,152.88-4,702.90

Finding the Fourth Proportional to 7,355.48, 10,152.88 and 4,702.90

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Solution

The fourth proportional to 7,355.48, 10,152.88 and 4,702.90 is: 6,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.48 : 10,152.88 = 4,702.90 : x
  2. Step 2: Convert to fraction form
    7,355.48/10,152.88 = 4,702.90/x
  3. Step 3: Cross multiply
    7,355.48x = 10,152.88 × 4,702.90
  4. Step 4: Simplify right side
    7,355.48x = 47,747,928.59
  5. Step 5: Solve for x
    x = 47,747,928.59/7,355.48
  6. Step 6: Final answer
    x = 6,491.48

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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.