Home / 4,945.07-7,417.61-1,247.34

Finding the Fourth Proportional to 4,945.07, 7,417.61 and 1,247.34

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Solution

The fourth proportional to 4,945.07, 7,417.61 and 1,247.34 is: 1,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.07 : 7,417.61 = 1,247.34 : x
  2. Step 2: Convert to fraction form
    4,945.07/7,417.61 = 1,247.34/x
  3. Step 3: Cross multiply
    4,945.07x = 7,417.61 × 1,247.34
  4. Step 4: Simplify right side
    4,945.07x = 9,252,275.42
  5. Step 5: Solve for x
    x = 9,252,275.42/4,945.07
  6. Step 6: Final answer
    x = 1,871.01

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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.