Home / 4,574.22-6,312.40-2,478.34

Finding the Fourth Proportional to 4,574.22, 6,312.40 and 2,478.34

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Solution

The fourth proportional to 4,574.22, 6,312.40 and 2,478.34 is: 3,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.22 : 6,312.40 = 2,478.34 : x
  2. Step 2: Convert to fraction form
    4,574.22/6,312.40 = 2,478.34/x
  3. Step 3: Cross multiply
    4,574.22x = 6,312.40 × 2,478.34
  4. Step 4: Simplify right side
    4,574.22x = 15,644,275.11
  5. Step 5: Solve for x
    x = 15,644,275.11/4,574.22
  6. Step 6: Final answer
    x = 3,420.10

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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.