Home / 7,289.95-10,058.35-4,102.63

Finding the Fourth Proportional to 7,289.95, 10,058.35 and 4,102.63

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Solution

The fourth proportional to 7,289.95, 10,058.35 and 4,102.63 is: 5,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.95 : 10,058.35 = 4,102.63 : x
  2. Step 2: Convert to fraction form
    7,289.95/10,058.35 = 4,102.63/x
  3. Step 3: Cross multiply
    7,289.95x = 10,058.35 × 4,102.63
  4. Step 4: Simplify right side
    7,289.95x = 41,265,688.46
  5. Step 5: Solve for x
    x = 41,265,688.46/7,289.95
  6. Step 6: Final answer
    x = 5,660.63

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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.