Home / 5,074.34-7,004.75-3,085.53

Finding the Fourth Proportional to 5,074.34, 7,004.75 and 3,085.53

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Solution

The fourth proportional to 5,074.34, 7,004.75 and 3,085.53 is: 4,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.34 : 7,004.75 = 3,085.53 : x
  2. Step 2: Convert to fraction form
    5,074.34/7,004.75 = 3,085.53/x
  3. Step 3: Cross multiply
    5,074.34x = 7,004.75 × 3,085.53
  4. Step 4: Simplify right side
    5,074.34x = 21,613,368.35
  5. Step 5: Solve for x
    x = 21,613,368.35/5,074.34
  6. Step 6: Final answer
    x = 4,259.35

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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.