Home / 7,925.95-10,938.24-4,389.19

Finding the Fourth Proportional to 7,925.95, 10,938.24 and 4,389.19

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Solution

The fourth proportional to 7,925.95, 10,938.24 and 4,389.19 is: 6,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.95 : 10,938.24 = 4,389.19 : x
  2. Step 2: Convert to fraction form
    7,925.95/10,938.24 = 4,389.19/x
  3. Step 3: Cross multiply
    7,925.95x = 10,938.24 × 4,389.19
  4. Step 4: Simplify right side
    7,925.95x = 48,009,986.28
  5. Step 5: Solve for x
    x = 48,009,986.28/7,925.95
  6. Step 6: Final answer
    x = 6,057.32

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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.