Home / 4,950.07-6,831.10-2,681.40

Finding the Fourth Proportional to 4,950.07, 6,831.10 and 2,681.40

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Solution

The fourth proportional to 4,950.07, 6,831.10 and 2,681.40 is: 3,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.07 : 6,831.10 = 2,681.40 : x
  2. Step 2: Convert to fraction form
    4,950.07/6,831.10 = 2,681.40/x
  3. Step 3: Cross multiply
    4,950.07x = 6,831.10 × 2,681.40
  4. Step 4: Simplify right side
    4,950.07x = 18,316,911.54
  5. Step 5: Solve for x
    x = 18,316,911.54/4,950.07
  6. Step 6: Final answer
    x = 3,700.34

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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.