Home / 4,931.09-7,358.90-4,405.19

Finding the Fourth Proportional to 4,931.09, 7,358.90 and 4,405.19

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Solution

The fourth proportional to 4,931.09, 7,358.90 and 4,405.19 is: 6,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.09 : 7,358.90 = 4,405.19 : x
  2. Step 2: Convert to fraction form
    4,931.09/7,358.90 = 4,405.19/x
  3. Step 3: Cross multiply
    4,931.09x = 7,358.90 × 4,405.19
  4. Step 4: Simplify right side
    4,931.09x = 32,417,352.69
  5. Step 5: Solve for x
    x = 32,417,352.69/4,931.09
  6. Step 6: Final answer
    x = 6,574.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.