Home / 5,074.95-7,004.56-3,085.08

Finding the Fourth Proportional to 5,074.95, 7,004.56 and 3,085.08

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Solution

The fourth proportional to 5,074.95, 7,004.56 and 3,085.08 is: 4,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.95 : 7,004.56 = 3,085.08 : x
  2. Step 2: Convert to fraction form
    5,074.95/7,004.56 = 3,085.08/x
  3. Step 3: Cross multiply
    5,074.95x = 7,004.56 × 3,085.08
  4. Step 4: Simplify right side
    5,074.95x = 21,609,637.76
  5. Step 5: Solve for x
    x = 21,609,637.76/5,074.95
  6. Step 6: Final answer
    x = 4,258.10

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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.