Home / 7,242.18-9,994.35-4,725.90

Finding the Fourth Proportional to 7,242.18, 9,994.35 and 4,725.90

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Solution

The fourth proportional to 7,242.18, 9,994.35 and 4,725.90 is: 6,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.18 : 9,994.35 = 4,725.90 : x
  2. Step 2: Convert to fraction form
    7,242.18/9,994.35 = 4,725.90/x
  3. Step 3: Cross multiply
    7,242.18x = 9,994.35 × 4,725.90
  4. Step 4: Simplify right side
    7,242.18x = 47,232,298.67
  5. Step 5: Solve for x
    x = 47,232,298.67/7,242.18
  6. Step 6: Final answer
    x = 6,521.83

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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.