Home / 4,574.85-6,313.29-2,478.98

Finding the Fourth Proportional to 4,574.85, 6,313.29 and 2,478.98

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Solution

The fourth proportional to 4,574.85, 6,313.29 and 2,478.98 is: 3,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.85 : 6,313.29 = 2,478.98 : x
  2. Step 2: Convert to fraction form
    4,574.85/6,313.29 = 2,478.98/x
  3. Step 3: Cross multiply
    4,574.85x = 6,313.29 × 2,478.98
  4. Step 4: Simplify right side
    4,574.85x = 15,650,488.08
  5. Step 5: Solve for x
    x = 15,650,488.08/4,574.85
  6. Step 6: Final answer
    x = 3,420.98

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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.