Home / 2,925.45-4,389.56-1,465.63

Finding the Fourth Proportional to 2,925.45, 4,389.56 and 1,465.63

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Solution

The fourth proportional to 2,925.45, 4,389.56 and 1,465.63 is: 2,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.45 : 4,389.56 = 1,465.63 : x
  2. Step 2: Convert to fraction form
    2,925.45/4,389.56 = 1,465.63/x
  3. Step 3: Cross multiply
    2,925.45x = 4,389.56 × 1,465.63
  4. Step 4: Simplify right side
    2,925.45x = 6,433,458.02
  5. Step 5: Solve for x
    x = 6,433,458.02/2,925.45
  6. Step 6: Final answer
    x = 2,199.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.