Home / 7,931.36-10,945.30-4,574.41

Finding the Fourth Proportional to 7,931.36, 10,945.30 and 4,574.41

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Solution

The fourth proportional to 7,931.36, 10,945.30 and 4,574.41 is: 6,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.36 : 10,945.30 = 4,574.41 : x
  2. Step 2: Convert to fraction form
    7,931.36/10,945.30 = 4,574.41/x
  3. Step 3: Cross multiply
    7,931.36x = 10,945.30 × 4,574.41
  4. Step 4: Simplify right side
    7,931.36x = 50,068,289.77
  5. Step 5: Solve for x
    x = 50,068,289.77/7,931.36
  6. Step 6: Final answer
    x = 6,312.70

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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.