Home / 4,917.46-7,377.10-1,407.32

Finding the Fourth Proportional to 4,917.46, 7,377.10 and 1,407.32

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Solution

The fourth proportional to 4,917.46, 7,377.10 and 1,407.32 is: 2,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.46 : 7,377.10 = 1,407.32 : x
  2. Step 2: Convert to fraction form
    4,917.46/7,377.10 = 1,407.32/x
  3. Step 3: Cross multiply
    4,917.46x = 7,377.10 × 1,407.32
  4. Step 4: Simplify right side
    4,917.46x = 10,381,940.37
  5. Step 5: Solve for x
    x = 10,381,940.37/4,917.46
  6. Step 6: Final answer
    x = 2,111.24

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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.