Home / 5,038.40-6,953.22-2,800.49

Finding the Fourth Proportional to 5,038.40, 6,953.22 and 2,800.49

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Solution

The fourth proportional to 5,038.40, 6,953.22 and 2,800.49 is: 3,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.40 : 6,953.22 = 2,800.49 : x
  2. Step 2: Convert to fraction form
    5,038.40/6,953.22 = 2,800.49/x
  3. Step 3: Cross multiply
    5,038.40x = 6,953.22 × 2,800.49
  4. Step 4: Simplify right side
    5,038.40x = 19,472,403.88
  5. Step 5: Solve for x
    x = 19,472,403.88/5,038.40
  6. Step 6: Final answer
    x = 3,864.80

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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.