Home / 2,386.47-3,292.92-1,503.45

Finding the Fourth Proportional to 2,386.47, 3,292.92 and 1,503.45

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Solution

The fourth proportional to 2,386.47, 3,292.92 and 1,503.45 is: 2,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.47 : 3,292.92 = 1,503.45 : x
  2. Step 2: Convert to fraction form
    2,386.47/3,292.92 = 1,503.45/x
  3. Step 3: Cross multiply
    2,386.47x = 3,292.92 × 1,503.45
  4. Step 4: Simplify right side
    2,386.47x = 4,950,740.57
  5. Step 5: Solve for x
    x = 4,950,740.57/2,386.47
  6. Step 6: Final answer
    x = 2,074.50

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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.