Home / 7,275.86-10,038.23-4,442.21

Finding the Fourth Proportional to 7,275.86, 10,038.23 and 4,442.21

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Solution

The fourth proportional to 7,275.86, 10,038.23 and 4,442.21 is: 6,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.86 : 10,038.23 = 4,442.21 : x
  2. Step 2: Convert to fraction form
    7,275.86/10,038.23 = 4,442.21/x
  3. Step 3: Cross multiply
    7,275.86x = 10,038.23 × 4,442.21
  4. Step 4: Simplify right side
    7,275.86x = 44,591,875.50
  5. Step 5: Solve for x
    x = 44,591,875.50/7,275.86
  6. Step 6: Final answer
    x = 6,128.75

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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.