Home / 4,902.99-6,762.53-3,111.02

Finding the Fourth Proportional to 4,902.99, 6,762.53 and 3,111.02

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Solution

The fourth proportional to 4,902.99, 6,762.53 and 3,111.02 is: 4,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.99 : 6,762.53 = 3,111.02 : x
  2. Step 2: Convert to fraction form
    4,902.99/6,762.53 = 3,111.02/x
  3. Step 3: Cross multiply
    4,902.99x = 6,762.53 × 3,111.02
  4. Step 4: Simplify right side
    4,902.99x = 21,038,316.71
  5. Step 5: Solve for x
    x = 21,038,316.71/4,902.99
  6. Step 6: Final answer
    x = 4,290.92

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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.