Home / 4,038.12-5,564.90-3,478.41

Finding the Fourth Proportional to 4,038.12, 5,564.90 and 3,478.41

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Solution

The fourth proportional to 4,038.12, 5,564.90 and 3,478.41 is: 4,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.12 : 5,564.90 = 3,478.41 : x
  2. Step 2: Convert to fraction form
    4,038.12/5,564.90 = 3,478.41/x
  3. Step 3: Cross multiply
    4,038.12x = 5,564.90 × 3,478.41
  4. Step 4: Simplify right side
    4,038.12x = 19,357,012.51
  5. Step 5: Solve for x
    x = 19,357,012.51/4,038.12
  6. Step 6: Final answer
    x = 4,793.57

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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.