Home / 4,574.45-6,310.56-2,980.53

Finding the Fourth Proportional to 4,574.45, 6,310.56 and 2,980.53

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Solution

The fourth proportional to 4,574.45, 6,310.56 and 2,980.53 is: 4,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.45 : 6,310.56 = 2,980.53 : x
  2. Step 2: Convert to fraction form
    4,574.45/6,310.56 = 2,980.53/x
  3. Step 3: Cross multiply
    4,574.45x = 6,310.56 × 2,980.53
  4. Step 4: Simplify right side
    4,574.45x = 18,808,813.40
  5. Step 5: Solve for x
    x = 18,808,813.40/4,574.45
  6. Step 6: Final answer
    x = 4,111.71

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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.