Home / 4,574.28-6,312.48-2,478.36

Finding the Fourth Proportional to 4,574.28, 6,312.48 and 2,478.36

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Solution

The fourth proportional to 4,574.28, 6,312.48 and 2,478.36 is: 3,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.28 : 6,312.48 = 2,478.36 : x
  2. Step 2: Convert to fraction form
    4,574.28/6,312.48 = 2,478.36/x
  3. Step 3: Cross multiply
    4,574.28x = 6,312.48 × 2,478.36
  4. Step 4: Simplify right side
    4,574.28x = 15,644,597.93
  5. Step 5: Solve for x
    x = 15,644,597.93/4,574.28
  6. Step 6: Final answer
    x = 3,420.12

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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.